build-with-image.yml

name: Build plugin using unreal conainer
run-name: build-plugin
on:
  push:
      branches: # Made towards the following
        - main
        - ci/*
      tags:
        - v**
  schedule:
    - cron:  '5 6 * * 0-4'
  workflow_dispatch: {}

jobs:
  build-sdk:
    strategy:
      fail-fast: false
      matrix:
        UE_IMAGE: ${{ fromJson(VARS.CI_UNREAL_IMAGES) }}

    name: Build SDK with Unreal container and UAT
    runs-on: ubuntu-22.04-4-core
    steps:
      - name: Setup git
        run: |
          git config --global --add safe.directory /__w/unreal-sdk/unreal-sdk

      - name: Checkout dev for nightly build
        if: ${{ github.event_name == 'schedule' }}
        uses: actions/checkout@v4
        with:
          ref: dev

      - name: Checkout current branch for build
        if: ${{ github.event_name != 'schedule' }}
        uses: actions/checkout@v4
      
      - name: Pull unreal image ${{ matrix.UE_IMAGE }}
        run: |
          docker login ghcr.io -u ${{ SECRETS.UNREAL_DOCKER_PACKAGES_READ_USERNAME }} -p ${{ SECRETS.UNREAL_DOCKER_PACKAGES_READ_ACCESS_TOKEN }}
          docker pull ghcr.io/epicgames/unreal-engine:${{ matrix.UE_IMAGE }}
      
      - name: Make build & log locations
        run: |
          mkdir -p tmp/build
          mkdir -p tmp/logs

      - name: Set plugin information variables
        run: |
          SDK_PATH="$(pwd)"
          echo "SDK_PATH=${SDK_PATH}" >> $GITHUB_ENV
          SDK_NAME=`find "$SDK_PATH" -type f -name "*.uplugin" | sed -n -r "s/.*\/([-A-Za-z0-9_]+)\.uplugin/\1/p"`
          echo "SDK_NAME=${SDK_NAME}" >> $GITHUB_ENV
          SDK_VERSION=`sed -n -r 's/^ +\"VersionName\": \"([0-9]+.[0-9]+.[0-9]+)\",/\1/p' < "$SDK_PATH/$SDK_NAME/$SDK_NAME.uplugin"`
          echo "SDK_VERSION=${SDK_VERSION}" >> $GITHUB_ENV
          sed -i -r "s/^( +)(\"VersionName\": \"[0-9\.]+\",)/\1\2\n\1\"EngineVersion\": \"${{ matrix.UE_VERSION }}\",/g" "$SDK_PATH/$SDK_NAME/$SDK_NAME.uplugin"

      - name: Build Plugin with Unreal Automation Tool in image ${{ matrix.UE_IMAGE }}
        continue-on-error: true
        run: |
          docker run --rm -v "$(pwd):/mnt/source" ghcr.io/epicgames/unreal-engine:${{ matrix.UE_IMAGE }} sh -c "/home/ue4/UnrealEngine/Engine/Build/BatchFiles/RunUAT.sh BuildPlugin -TargetPlatforms="Linux" -Plugin="/mnt/source/${SDK_NAME}/${SDK_NAME}.uplugin" -Package="/mnt/source/build" -Rocket -enablecodeanalysis" 2>&1 | tee tmp/logs/UAT.log
          
      - name: Expose log as artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.UE_IMAGE }}-UAT.log
          path: ${{ ENV.SDK_PATH }}/tmp/logs/UAT.log

      - name: Check build result
        run: |
          grep -i -q -E -- 'AutomationTool exiting with ExitCode=0' ${{ ENV.SDK_PATH }}/tmp/logs/UAT.log
          BUILD_RESULT=$?
          if [ ! 0 -eq $BUILD_RESULT ]; then
              echo "    ❌ Build failed for ${{ matrix.UE_IMAGE }}, see ${{ matrix.UE_IMAGE }}-UAT.log for more information"
              exit 666
          fi
          exit 0